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| author | xingaopeng <xingaopeng@huawei.com> | 2018-11-24 19:21:59 +0800 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2018-11-27 10:21:03 +0100 |
| commit | e5f5b717983bccfa033282e9886811635602510e (patch) | |
| tree | 3322f52b05b6c849c532d3abc696674272d2b491 | |
| parent | b54e41f5efcb4316b2f30b30c2535cc194270373 (diff) | |
| download | linux-e5f5b717983bccfa033282e9886811635602510e.tar.gz linux-e5f5b717983bccfa033282e9886811635602510e.tar.bz2 linux-e5f5b717983bccfa033282e9886811635602510e.zip | |
ext2: initialize opts.s_mount_opt as zero before using it
We need to initialize opts.s_mount_opt as zero before using it, else we
may get some unexpected mount options.
Fixes: 088519572ca8 ("ext2: Parse mount options into a dedicated structure")
CC: stable@vger.kernel.org
Signed-off-by: xingaopeng <xingaopeng@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
| -rw-r--r-- | fs/ext2/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index cb91baa4275d..eb11502e3fcd 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -892,6 +892,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (sb->s_magic != EXT2_SUPER_MAGIC) goto cantfind_ext2; + opts.s_mount_opt = 0; /* Set defaults before we parse the mount options */ def_mount_opts = le32_to_cpu(es->s_default_mount_opts); if (def_mount_opts & EXT2_DEFM_DEBUG) |